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# frozen_string_literal: true
class Serega
module SeregaPlugins
module Batch
#
# Validator for option :loader in attribute :batch option
#
class CheckBatchOptLoader
class << self
#
# Checks option :loader of attribute :batch option
#
# @param loader [nil, #call] Attribute :batch option :loader
#
# @raise [SeregaError] validation error
#
# @return [void]
#
def call(loader, serializer_class)
if loader.is_a?(Symbol)
check_symbol(loader, serializer_class)
else
check_callable(loader)
end
end
private
def check_symbol(loader_name, serializer_class)
defined_loaders = serializer_class.config.batch.loaders
return if defined_loaders[loader_name]
raise SeregaError, <<~ERR.strip
Please define loader before adding it to attribute.
Example: `config.batch.define(:#{loader_name}) { |ids| ... }`
ERR
end
def check_callable(loader)
raise SeregaError, must_be_callable unless loader.respond_to?(:call)
SeregaValidations::Utils::CheckExtraKeywordArg.call(loader, ":batch option :loader")
params_count = SeregaUtils::ParamsCount.call(loader, max_count: 3)
raise SeregaError, params_count_error if params_count > 3
end
def params_count_error
"Invalid :batch option :loader. It can accept maximum 3 parameters (ids, context, plan)"
end
def must_be_callable
"Invalid :batch option :loader. It must be a Symbol, a Proc or respond to :call"
end
end
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems